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We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a
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If you need to connect a DC power wall wart to a board that doesn't have a DC jack - this adapter will come in very handy! There is a 2.1mm DC jack on one end, and a screw terminal block on the other. The terminals are labeled with positive/negative assuming a positive-tip configuration...
$2.00 each
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This is a beefy switching supply, for when you need a lot of power! It can supply 12V DC up to 5 Amps, running from 110V or 220V power (the plug it comes with is for US/Canada/Japan but you can use any plug adapter for your country, or just replace the cable with a standard 'figure-8'...
$24.95 each
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RGB Pixels are digitally-controllable lights you can set to any color, or animate. Each metal 'pixel square' contains 4 RGB LEDs and a controller chip soldered to a PCB. The pixel is then 'flooded' with epoxy to make it water resistant, however we cannot say 100% waterproof you...
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